codahale/metrics — pull request #101 by cburroughs (2011-10-31 20:00:06+00:00)
Title: Allow each instance of GangliaReporter to send data to separate

groups.

For example, apps foo and bar on the same host can send their counter
metrics to different groups so they are distinguished in the UI. This is
probably also necessary to keep jvm metrics from clobbering each other.